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Old 04-25-2010, 01:14 PM
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bbc 496 combo help

I am building a bbc 496 for the street/strip hoping to make 600hp and 600tq so I need a little help with this setup and the heads I have are the close chamber 390 that fully work to the Max and I have the open chamber stock 049 also looking forward to using a solid roller

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Old 04-25-2010, 02:28 PM
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What specifically are you asking about?

I have built several of these engines using KB domed hyper pistons and o49-781 heads, converted to 2.19-1.88 valves. This setup along with .660-680 roller cam makes a good running powerful, street engine.
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Old 04-25-2010, 03:39 PM
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What I am needing help with is with the 496 makeing big horsepower and torque will it be okay to use a set of fully work close chamber 390 or 049 the 049 have not been work yet
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